22656845 has 8 divisors (see below), whose sum is σ = 27216864. Its totient is φ = 18106384.

The previous prime is 22656841. The next prime is 22656853. The reversal of 22656845 is 54865622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22656845 - 2² = 22656841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22656799 and 22656808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22656841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4802 + ... + 8268.

It is an arithmetic number, because the mean of its divisors is an integer number (3402108).

Almost surely, 2^22656845 is an apocalyptic number.

It is an amenable number.

22656845 is a deficient number, since it is larger than the sum of its proper divisors (4560019).

22656845 is a wasteful number, since it uses less digits than its factorization.

22656845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4779.

The product of its digits is 115200, while the sum is 38.

The square root of 22656845 is about 4759.9206926166. The cubic root of 22656845 is about 282.9652760319.

The spelling of 22656845 in words is "twenty-two million, six hundred fifty-six thousand, eight hundred forty-five".